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Aerosol impaction information


In the physics of aerosols, aerosol impaction is the process in which particles are removed from an air stream by forcing the gases to make a sharp bend. Particles above a certain size possess so much momentum that they can not follow the air stream and strike a collection surface, which is available for later analysis of mass and composition. Removal of particles from an air-stream by impaction followed by mass and composition analysis has always been a different approach as to filter sampling, yet has been little utilized for routine analysis because of lack of suitable analytical methods.

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Aerosol impaction

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In the physics of aerosols, aerosol impaction is the process in which particles are removed from an air stream by forcing the gases to make a sharp bend...

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Fecal impaction

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necrosis from a fecal mass or fecaloma. Medicine portal Aerosol impaction Dental impaction Impaction (animals) "Constipation". The Lecturio Medical Concept...

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Impaction

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impaction in Wiktionary, the free dictionary. Impaction may refer to: Impaction (animals), blockage of the digestive tract of animals Fecal impaction...

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Aerosol

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An aerosol is a suspension of fine solid particles or liquid droplets in air or another gas. Aerosols can be generated from natural or human causes. The...

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Stratospheric aerosol injection

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Stratospheric aerosol injection is a proposed method of solar geoengineering (or solar radiation modification) to reduce global warming. This would introduce...

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Cascade impactor

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to be impacted. Aerosol impaction A multi-stage, low flow rate cascade impactor Journal of Aerosol Science, 1970 Good Cascade Impactor Practice (GCIP)...

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Journal of Aerosol Science

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The Journal of Aerosol Science is a peer-reviewed academic journal covering the study of aerosols in multiple disciplines, including physics, chemistry...

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Particulates

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microscopic particles of solid or liquid matter suspended in the air. The term aerosol commonly refers to the particulate/air mixture, as opposed to the particulate...

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Spray paint

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Spray paint (formally aerosol paint) is paint that comes in a sealed, pressurized container and is released in an aerosol spray when a valve button is...

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Bioaerosol

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Bioaerosols (short for biological aerosols) are a subcategory of particles released from terrestrial and marine ecosystems into the atmosphere. They consist...

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Aerosol mass spectrometry

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lab. Cascade impactors collects particles as they transverse a series of impaction plates, and separate them based on size. The aerosol samples are analyzed...

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Global dimming

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It is caused by atmospheric particulate matter, predominantly sulfate aerosols, which are components of air pollution. Global dimming was observed soon...

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Composition of electronic cigarette aerosol

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The chemical composition of the electronic cigarette aerosol varies across and within manufacturers. Limited data exists regarding their chemistry. However...

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NIOSH air filtration rating

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efficiency, the forces which have the greatest impact on the effectiveness of filtration (aerosol impaction, interception, and diffusion) are weakest at...

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Median aerodynamic diameter

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a given aerosol as a single value. It is also used to describe those particle sizes for which deposition depends chiefly on inertial impaction and sedimentation...

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Sea salt aerosol

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Sea salt aerosol, which originally comes from sea spray, is one of the most widely distributed natural aerosols. Sea salt aerosols are characterized as...

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Chicxulub crater

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determined that the impactor landed in deeper water than previously assumed, which may have resulted in increased sulfate aerosols in the atmosphere, due...

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Solar radiation modification

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stratospheric aerosol injection being the most-studied, followed by marine cloud brightening. SRM could be a temporary measure to limit climate-change impacts while...

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Thermobaric weapon

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thermobaric weapon, also called an aerosol bomb, or a vacuum bomb, is a type of explosive munition that works by dispersing an aerosol cloud of gas, liquid or powdered...

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Docusate

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which commercialized it for many years as a detergent under the brand name Aerosol OT. Its use for the treatment of constipation was first proposed in 1955...

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Condensed aerosol fire suppression

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Condensed aerosol fire suppression is a particle-based method of fire extinction. It is similar to but not identical to dry chemical fire extinction methods...

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Human impact on the environment

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have been identified: decreased atmospheric visibility due to ammonium aerosols (fine particulate matter [PM]) elevated ozone concentrations ozone and...

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Sulfate

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warming impact of all greenhouse gases without accounting for the counteracting cooling from aerosols. Regardless of the current strength of aerosol cooling...

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Aerodynamic aerosol classifier

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An aerodynamic aerosol classifier (AAC) is an embodiment of a measurement technique for classifying aerosol particles according to their aerodynamic diameters...

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Impact winter

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force of about 108 MT could send upward of about 2.5x1015 kg of 1 μm sized aerosol particles into the atmosphere. Anything larger would fall quickly back...

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Sulfur dioxide

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warming impact of all greenhouse gases without accounting for the counteracting cooling from aerosols. Regardless of the current strength of aerosol cooling...

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